mount: Disallow mounting over a jail root
Discussed with: jamie
Approved by: so
Security: CVE-2020-25584
Security: FreeBSD-SA-21:10.jail_mount
(cherry picked from commit 2425f5e9128102c8e6e473567ad6759a55be5b02)
Description
Description
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Details
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markj Authored on Apr 5 2021, 9:19 PM - Parents
- rG2e08308d62f3: vm_fault: Shoot down multiply mapped COW source page mappings
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